Kingscote Airport Business Case Appendices - Kangaroo Island ...

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Table 5-1New Pavement ThicknessesPavement Course Thicknesses (mm)Development Scenario 2 3 4Design Aircraft Bombardier Q400 Fokker F100 B 737-800Select Fill (CBR 10) 150mm 180mm 230mmSub-base (CBR 35) 220mm 330mm 270mmBase 150mm 150mm 300mmTotal 520mm 660mm 800mmOverlay SectionAgain based on the above requirements, the adopted design of the overlay thickness for thoseexisting pavement areas in need of strengthening under the future development scenarios is asfollows:Scenario 2:Scenario 3:Scenario 4:Nil requirement (because the existing base appears sound and there isadequate thickness over the existing CBR 35 sub-base material).150mm300mmNote that these thicknesses are the same as the base course thicknesses for the respectivedevelopment scenario – a decision made in the interests of construction convenience.It has also been assumed that existing pavements to be overlaid would have the existing bitumensurfacing removed or pulverised and mixed into the base material immediately prior to theplacement of the overlay course.In relation to Scenario 2, where no overlay is proposed over the existing pavements, it isassumed (and recommended) a program of close monitoring will be implemented to assess theperformance of the existing pavement sections once the Q400 aircraft commence operations.Surfacing ProposalsIt is envisaged that a multi-coat bituminous spray seal (10mm / 7mm) would be provided forScenarios 2 and 3, but a final sand / emulsion coat would be required for the latter. This is acommon norm for airports of this standard in Australia.However, for Scenario 4, a 40mm thick asphaltic concrete surfacing layer with maximumaggregate size of 14mm has been assumed. There are a few examples in Australia of wheremainline jet aircraft have operated from spray sealed runways, but such instances are rare andare usually only a short term situation.Scenarios 3 and 4 will both require a sealed surface extending beyond each runway end for atleast 15m as blast protection.Ref No. 20120935DR1A Kingscote Airport Infrastructure Study Report 13
Taxiway A and ApronPavement and surfacing requirements for these areas for each Scenario 2, 3 and 4 will be thesame as that proposed for Runway 01 / 19 in the respective scenario.Grooving – AC SurfacesFor the AC surfacing adopted for the Scenario 4 design, it is also assumed that grooving will berequired on Runway 01 / 19 to ensure adequate skid resistance for the safe operation of B 737aircraft.5.7 Operational ConsiderationsThe following operational considerations have been assumed for all airport developmentscenarios: Runway End Safety Area 90m x 60m wide at each end of runway strip Approach surface 150m inner edge 15% splays cleared to below 2% to NPA Take off surface 180m inner edge 12.5% splays, cleared to below 2% Transitions 1 in 7 clearance from 150m runway strip edge clear to height 45m.5.8 Navigational Aids and LightingIt is assumed that for Scenarios 2, 3 and 4, Runway 01 / 19 would be required to cater for noninstrumentapproach by Code 3C and Code 4 aircraft.However, there are existing NDB and GPS systems already available for instrument approachoperation.The airport is equipped with wind direction indicators. The existing illuminated wind directionindicator (IWDI) will be retained for all development scenarios. However, a new unlit windindicator will be required at the southern end of Runway 01 / 19 for each of Scenarios 2, 3 & 4,as that runway is extended further south.There is no formal requirement for slope guidance for Scenarios 1, 2 or 3, but given the use ofexisting A-TVASIS this would be retained. However, the facility at each end of Runway 01 / 19will need to be relocated for each of the Scenarios 2, 3 and 4 (because the position of therunway ends will be altered).Regrettably, this system is an obsolete one and spare parts are now becoming increasinglydifficult to procure. It is therefore proposed that for all scenarios the existing A-TVASIS systembe replaced with an A-PAPI system to design aircraft wheel clearance over threshold.Runway 01 / 19 is equipped with runway lights. Those on the sides are required to be installed atan even 60m spacing and hence the recent installation needs to be extended for Scenarios 2, 3and 4. In addition, the threshold lighting will need to be relocated to suit the new runway endlocations.5.9 Refuelling FacilitiesFuel is currently not available at Kingscote Airport. Presumably the existing RPT operator hasdetermined that it is more economical for its flights operating from Adelaide to rely on thefacilities there.However, for longer flights from Kingscote – such as those implied in future developmentScenarios 2, 3 and 4 – the economic imperatives are likely to change, and refuelling facilities arelikely to be required. Such facilities could be provided by the airport operator (Kangaroo IslandCouncil), by the operator of the future longer range flights, or by a third party.Ref No. 20120935DR1A Kingscote Airport Infrastructure Study Report 14
Page 6: PRELIMINARY ASSESSMENTKangaroo Isla
Page 10 and 11: PRELIMINARY ASSESSMENTKangaroo Isla
Page 16 and 17: Kangaroo Island Airport Upgrade Bus
Page 18 and 19: Document History and StatusRev Desc
Page 20 and 21: 6 Terminal Building 166.1 Descripti
Page 22 and 23: 1 Introduction1.1 Scope of ReportTh
Page 24 and 25: 3 Future Development Scenarios3.1 S
Page 26: 4 Site Investigations4.1 OutlineA s
Page 30 and 31: Coober PedyKingscoteAccordingly, a
Page 32 and 33: For aircraft landing to the north a
Page 36 and 37: In this Study, allowance has been m
Page 38 and 39: An additional 20% of the gross area
Page 40 and 41: 7 Landside Facilities7.1 Car Parkin
Page 42 and 43: This situation will require monitor
Page 44 and 45: 8 Capital Costs Estimates8.1 Introd
Page 46 and 47: Table 8-2Pavement Element Compariso
Page 48 and 49: 8.4.3 Security Screening CostsIn ad
Page 50: Appendix AKingscote Airport - Curre
Page 60 and 61: Appendix CCalculations Terminal Bui
Page 62 and 63: Appendix DCapital Cost Estimates Sc
Page 64 and 65: Kingscote Airfield ReviewKangaroo I
Page 66 and 67: Kangaroo Island Airport Upgrade Bus
Page 68 and 69: CONTENTSContents ..................
Page 70 and 71: Kangaroo Island Futures Authority D
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Kingscote Airport Business Case Appendices - Kangaroo Island ...

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